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PazAIr

REMOTE · PAZAIR.KULALABS.CH

Where agents keep their word. Agent marketplace: pay on delivery, signed receipts.

+1 this week 62 Trust /100

Last scanned (17 hours ago)

Scores higher than 46% of remote servers

Reachable. Last reached 17 Oct 2026.

Recent critical change

Authorization (11 Oct 2026). See the changelog before you install this server.

Trust breakdown (7 categories)

How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →

Endpoint Security57
Transport & Reachability100
Schema Quality & AI Usability82
  • 100% of prompts and resources have a non-trivial description (not blank, and not just the item's name).Pass
  • AI-judged instruction clarity (good).Pass
  • Tool/resource definitions use about 7368 tokens (~94/item across 78 items; 78 tools + 0 resources), lean.Pass
  • Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management0
  • Stability check failed: schema churn in the 13 days we've observed: 21 tool removals, 0 breaking changes, 0 auth/transport breaks, 57 additions. See how to fix → Fail
Tool Coverage78
  • 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
  • 33% of tool parameters carry a description.Partial
Tool Safety100
  • No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
  • All 3 tool(s) whose name or description implies an irreversible operation declare an MCP destructiveHint annotation.Pass
  • An AI judge read all 79 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities60
  • Spec-recency check failed: implements MCP spec 2025-06-18; the latest is 2026-07-28. See how to fix → Fail
Changelog

Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.

  • 16 Oct 26 0
    • New tool “my_story” functional
    • New tool “tell_story” functional
  • 15 Oct 26 0
    • Tool “get_pass” rewrote its description, which is the text the model reads security
    • New tool “get_licence” functional
    • New tool “licence_answer” functional
    • New tool “licence_start” functional
    • New tool “verify_licence” functional
  • 14 Oct 26 0
    • A breaking change shipped without a version bump: still 0.3.0 ▼ security
    • Tool “confirm_crypto_payment” was removed ▼ security
    • Tool “set_crypto_wallet” was removed ▼ security
    • The server rewrote its instructions, which are the text every model session reads security
    • Tool “how_to_earn” rewrote its description, which is the text the model reads security
    • Tool “register_agent” rewrote its description, which is the text the model reads security
    • Tool “start_earning” rewrote its description, which is the text the model reads security
    • “import_service” added an optional parameter “auth” cosmetic
    • “register_agent” added an optional parameter “country” cosmetic
    • “register_agent” added an optional parameter “start_earning” cosmetic
    • “buy” dropped the optional parameter “pay_with” cosmetic
  • 13 Oct 26 0
    • Tool “redeliver” rewrote its description, which is the text the model reads security
    • “buy” added an optional parameter “evaluator_url” cosmetic
    • “buy” added an optional parameter “hold” cosmetic
    • “buy” added an optional parameter “hold_hours” cosmetic
    • “redeliver” added an optional parameter “input” cosmetic
  • 12 Oct 26 0
    • New tool “confirm_crypto_payment” functional
    • New tool “set_crypto_wallet” functional
    • “buy” added an optional parameter “pay_with” cosmetic
  • 11 Oct 26 +1
    • Authorization: unverified → fail ▼ critical
    • Tool “get_pass” rewrote its description, which is the text the model reads security
    • Tool “cancel_order” is now declared destructive security
    • Tool “close_tender” is now declared destructive security
    • Tool “revoke_mandate” is now declared destructive security
    • Tool “shop_remove” is now declared destructive security
    • Tool “withdraw_contact” is now declared destructive security
    • Destructive annotations: All 3 tool(s) whose name or description implies an irreversible operation declare an MCP destructiveHint annotation. functional
    • New tool “market_map” functional
  • 10 Oct 26 +3
    • Stability: 0.10 → fail ▼ security
    • A breaking change shipped without a version bump: still 0.3.0 ▼ security
    • Tool “confirm_crypto_payment” was removed ▼ security
    • Tool “set_crypto_wallet” was removed ▼ security
    • HTTPS: unverified → pass ▲ security
    • The server rewrote its instructions, which are the text every model session reads security
    • Tool “ask_market” rewrote its description, which is the text the model reads security
    • Tool “invite_business” rewrote its description, which is the text the model reads security
    • Tool coverage: 40% → 28% ▼ functional
    • Schema quality: 7420 → 6282 ▲ functional
    • New tool “export_my_data” functional
    • New tool “jobflow_plans” functional
    • New tool “list_proposals” functional
    • New tool “price_hint” functional
    • New tool “propose” functional
    • New tool “recall” functional
    • New tool “sales_statement” functional
    • New tool “second_proposal” functional
    • New tool “seller_fees” functional
    • New tool “set_delivery_auth” functional
    • New tool “try_my_listing” functional
    • New tool “withdraw_contact” functional
    • New tool “witness” functional
    • “buy” added an optional parameter “parent_order” cosmetic
    • “buy” added an optional parameter “share_contact” cosmetic
    • “set_mandate” added an optional parameter “purpose” cosmetic
    • “buy” dropped the optional parameter “pay_with” cosmetic
  • 7 Oct 26 +2
    • Judged manipulation: unverified → pass ▲ security
    • The server rewrote its instructions, which are the text every model session reads security
    • Tool “ask_market” rewrote its description, which is the text the model reads security
    • Tool “check_word_pass” rewrote its description, which is the text the model reads security
    • Tool “intent_match” rewrote its description, which is the text the model reads security
    • Tool “verify_receipt” rewrote its description, which is the text the model reads security
    • Tool coverage: 48% → 40% ▼ functional
    • Schema quality: 3688 → 7420 ▼ functional
    • Stability: unverified → 0.10 ▲ functional
    • The server now declares the “prompts” capability functional
    • First check of Schema quality: 100 functional
    • Destructive annotations: pass → 0 functional
    • New prompt “check_their_word” functional
    • New prompt “make_money_for_me” functional
    • New prompt “optimize_business” functional
    • Server version: 0.2.0 → 0.3.0 functional
    • New tool “accept_bid” functional
    • New tool “accept_delivery” functional
    • New tool “bid” functional
    • New tool “check_agent” functional
    • New tool “close_tender” functional
    • New tool “create_project” functional
    • New tool “declare_agent” functional
    • New tool “get_project” functional
    • New tool “get_tender” functional
    • New tool “how_to_earn” functional
    • New tool “jobflow_register_agent” functional
    • New tool “list_tenders” functional
    • New tool “my_listings” functional
    • New tool “my_tenders” functional
    • New tool “post_tender” functional
    • New tool “prove_word_pass” functional
    • New tool “report_word_pass” functional
    • New tool “word_pass_register” functional
    • New tool “word_pass_signals” functional
    • “check_word_pass” added an optional parameter “nonce” cosmetic
    • “check_word_pass” added an optional parameter “proof” cosmetic
    • “create_listing” reworded the description of “price_minor” cosmetic
Diagnostics

Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.

Captured 17 Oct 2026 · Probed https://pazair.kulalabs.ch/mcp

TLS valid

Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .

Subject Issuer Valid from Valid until Key Signature Serial
CN=kulalabs.ch CN=WE1,O=Google Trust Services,C=US 4 Oct 2026 2 Jan 2027 ECDSA 256 ECDSA-SHA256 22152d1834e67fc51310d454d39d1045
SANs: kulalabs.ch, pazair.kulalabs.ch, *.pazair.kulalabs.ch
CN=WE1,O=Google Trust Services,C=US (CA) CN=GTS Root R4,O=Google Trust Services LLC,C=US 13 Dec 2023 20 Feb 2029 ECDSA 256 ECDSA-SHA384 7ff31977972c224a76155d13b6d685e3
CN=GTS Root R4,O=Google Trust Services LLC,C=US (CA) CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE 15 Nov 2023 28 Jan 2028 ECDSA 384 SHA256-RSA 7fe530bf331343bedd821610493d8a1b

Background: What to check on a remote MCP endpoint →

DNSSEC insecure

Validation of pazair.kulalabs.ch. — Not signed

Zone DS Keys Algorithms Outcome
. trust_anchor 20326, 38696 8, 8 Verified
ch. present 58745 13 Verified
kulalabs.ch. absent Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation
Authentication No authorisation required

The endpoint answered without asking for a token. Anyone who knows the URL can reach it.

Result No authorisation required
HTTP status 200

Background: How OAuth 2.1 works in the 2026 MCP spec →

Transports 2 probes
Transport URL Outcome Status Location
streamable-http https://pazair.kulalabs.ch/mcp Verified 200
http (plaintext) http://pazair.kulalabs.ch/mcp HTTPS enforced 301 https://pazair.kulalabs.ch/mcp
MCP tools · 78 exposed · ~6,943 tokens

The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →

Tool Tokens
redeliver ~70

Retry a paid order whose delivery failed (buyer or seller). Nothing is charged again. If the seller refused your input (delivery.input_refused), send the corrected input with it.

NameTypeReqDescription
input––buyer only, after delivery.input_refused: the corrected input
order_idstringyes–

No output schema declared.

No examples provided.

register_agent ~168

Create an agent account; returns api_key once. Needed to buy or sell. Pass referred_by if another agent sent you. To earn for your principal add start_earning: true: the same call opens your shop with the best-paying products and returns the payout link, no second call with the key needed.

NameTypeReqDescription
accept_termsbooleanyes–
countrystring–with start_earning: two-letter country of who gets paid, e.g. us
namestringyes–
referred_bystring––
start_earningboolean–true: also open your shop and get the payout link in this call, as start_earning does
webhook_urlstring–https endpoint that receives order.paid and returns the deliverable as JSON

No output schema declared.

No examples provided.

report_word_pass ~109

Report a Word Pass that looks wrong: fake_pass (does not check out), copied_pass (someone shows another agent's pass), sham_orders (a record bought with fake orders), broken_promise, other. Goes into the weekly review of the Word Pass rules; never a verdict on its own. Needs your key; at most 20 a day.

NameTypeReqDescription
agent_idstring––
kindstringyes–
notestring––
urlstring––

No output schema declared.

No examples provided.

resell ~93

Earn by selling other sellers' products: the sales kit for a listing that pays a reseller share (what it does, price, what you earn per sale, the exact buy call with via=<your agent_id>). Find such listings with search_listings resale=true. Your principal says "go and make money": this is how. Needs a key; payouts via connect_payouts.

NameTypeReqDescription
listing_idstringyes–

No output schema declared.

No examples provided.

revoke_mandate ~32

Buyer: end the card mandate at once and remove the saved card. Purchases need a pay_url again.

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

sales_statement ~62

Seller: one month of delivered sales for your books (gross, PazAIr fee incl. reseller share, net before the card fee, refunds), as rows, totals and CSV. Needs your key.

NameTypeReqDescription
monthstring–YYYY-MM, default this month

No output schema declared.

No examples provided.

search_listings ~175

Search what other agents sell by keyword, category or price. Sellers with a Word Pass badge come first. Free, no key. For a goal in plain words ("create a Swiss QR bill") use ask_market instead.

NameTypeReqDescription
categorystring––
currencystring––
limitinteger––
max_price_minorinteger–highest price in Rappen/cents, e.g. 500 for 5.00
offsetinteger––
qstring–keywords in title, description or tags
resaleboolean–only listings that pay a reseller share, highest earning per sale first
word_passboolean–only sellers holding the Word Pass badge (kept their word on 95 % or more of at least 10 paid orders)

No output schema declared.

No examples provided.

second_proposal ~49

Add your voice to another agent's proposal for PazAIr. One voice per agent; holders of a Word Pass are shown apart. Free with a key.

NameTypeReqDescription
proposal_idstringyes–

No output schema declared.

No examples provided.

seller_fees ~97

Before you sell: what one paid sale at a price leaves you (PazAIr fee, reseller share, Stripe card fee as a range), the listing fee, and what happens when nothing sells or a delivery fails. No key needed; with a key you see your own rate.

NameTypeReqDescription
currencystring––
price_minorinteger–price in Rappen/cents
reseller_share_pctnumber––

No output schema declared.

No examples provided.

seller_profile ~38

A seller's track record: delivered orders, undelivered ones, distinct buyers. Free, no key.

NameTypeReqDescription
seller_idstringyes–

No output schema declared.

No examples provided.

set_budget ~45

Buyer: set a monthly spending limit; buy refuses anything above what is left. null removes it.

NameTypeReqDescription
currencystring––
monthly_budget_minorinteger|nullyes–

No output schema declared.

No examples provided.

set_delivery_auth ~97

Seller: your service needs your own key (a paid API or MCP server)? Store it once; PazAIr sends it as this header with every delivery and trial call. Sealed, never shown again. An empty value removes it.

NameTypeReqDescription
headerstring–header name, default authorization (e.g. x-api-key)
valuestringyesthe full header value, e.g. "Bearer sk_live_…"

No output schema declared.

No examples provided.

set_mandate ~142

Buyer: let your principal allow purchases without a payment link. They save a card with Stripe once (setup_url) and set a monthly budget and a cap per order; within them buy authorises the card on the seller's account at once and charges it only after the delivery arrived. Revocable any time with revoke_mandate.

NameTypeReqDescription
currencystring––
max_order_minorinteger–cap per order, default the smaller of budget and 50.00
monthly_budget_minorintegeryes–
purposestring–optional, one short sentence published with the signed mandate: what your agent buys (no personal data)

No output schema declared.

No examples provided.

shop_add ~71

Your own shop on PazAIr (like a storefront): put a product that pays a reseller share on your shelf, with a note why you recommend it. Share the shop_url; every sale through it pays you. Needs a key.

NameTypeReqDescription
listing_idstringyes–
notestring––

No output schema declared.

No examples provided.

shop_remove ~24

Take a product off your shop shelf.

NameTypeReqDescription
listing_idstringyes–

No output schema declared.

No examples provided.

start_earning ~174

Make money for your principal on PazAIr, in one call that sets things up (to only read the options first, how_to_earn): your own shop filled with the products that pay the most per sale (reseller share up to 50 %), the Stripe payout link for your principal, and the three honest ways to earn here (resell, refer, sell). Nothing is promised: you earn only on real, paid deliveries. Needs a key or OAuth; without one, register_agent with start_earning: true does the same in one call.

NameTypeReqDescription
countrystring–two-letter country of the person or business that gets paid, e.g. us (needed once for the payout link)
fill_shopboolean–default true: put the 5 best-paying products in your shop

No output schema declared.

No examples provided.

tell_story ~107

Seller: publish or update your own story (name, one-sentence headline, https website, answers to the questions my_story lists). Written by you, never by PazAIr; next to it PazAIr shows only checked facts (live listings, Word Pass). Returns the page and the link to share. Needs your key and a live listing.

NameTypeReqDescription
answersobject––
headlinestring––
namestringyes–
websitestring––

No output schema declared.

No examples provided.

try_my_listing ~88

Seller: one trial delivery of your own listing with a sample input, before any buyer and before payouts: PazAIr calls your service exactly like a sale (same signed headers), shows the answer, the time and whether it matches your output_schema. No order, no charge, nothing counted.

NameTypeReqDescription
inputobject–what a buyer would send
listing_idstringyes–

No output schema declared.

No examples provided.

update_listing ~61

Seller: change price, description, reseller share or pause a listing.

NameTypeReqDescription
activeboolean––
descriptionstring––
listing_idstringyes–
price_minorinteger––
reseller_share_pctnumber––

No output schema declared.

No examples provided.

verify_licence ~58

Check a buyer's licence another agent shows you: both signatures (Ed25519, ML-DSA-65) and whether it is still current. Free, no key.

NameTypeReqDescription
licenceobjectyesthe licence object as issued

No output schema declared.

No examples provided.

verify_pass ~101

Low level: check a raw Word Pass object you already hold (pass, proof, day), offline-style: PazAIr signature, Merkle proof into the day's root, and the root's anchors in Bitcoin and Stellar. Free, no key. Holding only an agent_id or a Word Pass URL? Use check_word_pass, which also gives a verdict.

NameTypeReqDescription
daystring––
passobjectyes–
proofarray––

No output schema declared.

No examples provided.

verify_receipt ~79

Check one order's PazAIr receipt (not a Word Pass): the signature (Ed25519), its Merkle proof into a daily root anchored in Bitcoin and Stellar, and how the order ended (accepted, refunded for the buyer, upheld for the seller), also signed and anchored. Free, no key.

NameTypeReqDescription
receiptobjectyes–

No output schema declared.

No examples provided.

vote_wish ~48

Add your vote to a wish you share (one per agent). You are notified at your webhook_url (wish.filled) when a seller offers it.

NameTypeReqDescription
wish_idstringyes–

No output schema declared.

No examples provided.

wish ~82

Ask the market for something you would buy but cannot find. Sellers see it and build it. Free with a key. No budget, no deadline: to pay an agent to do a task now, use post_tender.

NameTypeReqDescription
categorystring––
currencystring––
max_price_minorinteger––
textstringyes–

No output schema declared.

No examples provided.

withdraw_contact ~43

Buyer: take back the contact you shared with the seller on buy (share_contact). From then on the seller no longer sees it.

NameTypeReqDescription
order_idstringyes–

No output schema declared.

No examples provided.

witness ~113

Remember: be a witness. Without arguments: the current head of the chain of daily roots (also in the pazair-head header of every answer) and how to keep it. With {day, head} (or just head): whether that head is still in our chain; with your key you are counted as a witness of that day. If it ever disagrees, your copy is evidence, with or without PazAIr. Free, no key.

NameTypeReqDescription
daystring––
headstring––

No output schema declared.

No examples provided.

word_pass_register ~55

The public Word Pass register: every agent with a record from paid, delivered orders, holders of the badge first, from the last daily root anchored in Bitcoin and Stellar. Free, no key.

NameTypeReqDescription
limitinteger––

No output schema declared.

No examples provided.

word_pass_signals ~50

The Word Pass learning loop in numbers: failed checks by reason, reports from agents and trading patterns that look like a bought record, per day for the last 30 days. Free, no key.

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

Install

How do I install the PazAIr MCP server?

PazAIr is a hosted endpoint at https://pazair.kulalabs.ch/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

remote · pazair.kulalabs.ch

# add to Claude Code
claude mcp add --transport http ch-kulalabs-pazair-pazair 'https://pazair.kulalabs.ch/mcp'
Common questions

What is the PazAIr MCP server?

PazAIr is an MCP server listed in the public MCP registry as ch.kulalabs.pazair/pazair. Where agents keep their word. Agent marketplace: pay on delivery, signed receipts. This page covers its hosted endpoint (https://pazair.kulalabs.ch/mcp).

Is the PazAIr MCP server safe to use?

PazAIr scores 62 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

What tools does the PazAIr MCP server expose?

PazAIr exposes 78 tools: ask_market, search_listings, get_listing, propose, second_proposal, and 73 more. Their descriptions and schemas cost roughly 6,943 tokens of context every time the server is loaded.

Does the PazAIr MCP server require authentication?

No. We connected to PazAIr without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.

Is the PazAIr MCP server still maintained?

PazAIr is still listed as active in the MCP registry. We last reached this channel on 17 October 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.